Portable pools



June 24,l `1958Y v n RYUTARO NOMURA 2,839,762

PORTABLE PooLs Filed Jan. 2, 1957 R. N'OMURA A, 4to/J.' 4

United States Patent O PORTABLE POOLS Ryutaro Nomura, Taisho-ku, Osaka,Japan Application January 2, 1957, Serial No. 632,053 Claims priority,application Japan January 19, 1956 s claims. (ci. 4-112) v Thisinvention relates to portable pools. The object of the present inventionis to provide means to fold up a pool as to make it portable.

With this object in view, my invention provides a pool, in which sideplates are connected by flexible connecting pieces so as to form a drum,and a exible bottom sheet is fixed to the said drum in a water-tightmanner. l

According to the present invention, the pool, when in use, is filledwith water and gets stout by water pressure setting up the side plates.And, when not in use, the drum can be folded up, making the connectingpieces its folds, and the bottom sheet in some preferable way.

Other and further objects of my invention will become apparent from the'following specification and claims taken together with the accompanyingdrawings in which is shown the preferred embodiment of the portable poolof the present invention.l

Fig. 1 is an elevation partly in section of .a portable pool embodyingthe present invention.

Fig. 2 is a perspective view of the same.

Fig. 3 is an enlarged sectional view of a part of Fig. l.

Fig. 4 is a perspective view of a portable pool embodying the presentinvention when it is folded up.

In these drawings, referential numeral 11 indicates semi-flexible Ysideplates of plastics connected by flexible connecting pieces 12 so as toformvadrum 13. Each of the connecting vpieces is consisted of twoflexible plastic sheets 121, and 123, such as vinyl resin, and bothedges thereof are welded to the side plates 11 respectively as well asthe middle parts of the pieces 12,

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and 122 are welded to each other. A bend part 14 of a flexible bottomsheet 15 of plastics, such as vinyl resin, is welded to the outersurface of the drum 13. A plastic strip 16 is welded to the innersurfaces of the bottom sheet 15 and the drum 13 respectively.

It is thought that the invention and its advantages will be understoodfrom the foregoing description and it is apparent that various changesmay be made in the form, construction and arrangement of the partswithout departing from the spirit and scope of the invention orsacrificing its material advantages, the form hereinbefore described andillustrated in the drawing being merely a preferred embodiment thereof.

Having thus described my invention, what I claim and desireto secure byLetters Patent of the United States is:. v Y Y 1. A collapsible poolcomprising a plurality of curved solid semi-rigid plastic side plates, aplurality of connecting piecesfconnecting said side plates in a closedfigure, each connecting piece being of exible plastic and having arecess on eachy end receiving the end of one of said side plates, andthe exible plastic forming said recess being adhered to the side piecewithin the recess, and a exible plastic bottom secured to the outerperiphery of the side plates and connecting pieces around the entireperiphery of said closed figure.

2. A collapsible pool as claimed in claim 1 and a exible plasticreinforcing strip secured to the inner Y periphery of said side platesand to said flexible plastic bottom. f

3. A collapsible pool as claimed in claim 1 in which said connectingpieces each vcomprise tworexible plastic sheets adhered to each other atthe central portions thereof.

